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Home >> BMW >> 2021 >> M440i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Accessory Drive Belt & TENSIONER -- Repair (G22, G23 & G26) >> 11 28 Drive Belt And TENSIONER >> 11 28 020 Replace belt tensioner for drive belt of the alternator (430i and 430i xDrive coupe/convertible/Gran Coupe sedan) >> Installing the belt tensioner

Installing the belt tensioner

NOTE: TECHNICAL INFORMATION 
The belt tensioner must be installed to relieve the tension. The special tools or transportation retainers must be installed for disassembly.
TIGHTENING TORQUE SPECIFICATION

Belt tensioner to alternator/starter motor generator 
M8X30 Tightening torque  28 Nm
G12701016Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work